OUTSIDE BAND
FINALISED: FROZEN
Polymarket
Will Anthropic IPO by December 31, 2026?
Window 19 Aug 2026, 13:06 UTC → 19 Aug 2026, 14:36 UTC
Price at window start 86¢ → at trigger 87¢ → at close 87¢
YES up · NO down
Resolves 01 Jul 2027, 00:00 UTC
Frozen payload
- REPRICED Repriced +1.5pts: 86¢ at window start → 87¢ at close
- OUTSIDE BAND Outside the 7-day band: above the upper bound 86¢ (band 81¢–86¢)
band from 167 hourly obs / 7.0d
- BOOK Book 1.8:1 bid, $16.5k/$9.4k within 10¢
- VOLUME 0.9× this market's 7-day norm, $7.4k in 24h
Book 1.8:1 bid, $16.5k/$9.4k within 10¢ · spread 2.0¢
Triggers (1)
- 19 Aug 2026, 13:06 UTC: Band breach (upper): 86¢ → 87¢ (+1.0pts), confirmed over 30s
Context
- Opening move ≈ 0.22× the market's trusted 7-day band width at trigger time
- 5 trades printed in the window (Polymarket public tape)
Outcome: graded at window close
- +2m after alert: 87¢, drift +0.0pts in the alert direction
- +30m: 88¢, held +2.0ptspts
- Peak move: +2.0pts
- Held 75% of the peak move at close
- Still beyond trigger at +10m: no
- Still beyond trigger at +30m: yes
- Still beyond trigger at +60m: no
- Gave back half within 60m: no
- Price at close: 87¢
- Graded from 180 snapshots